Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOBAYASHI Yukio,Significance of the Wavelength in Explanation of Doppler Effect,Journal of the Physics Education Society of Japan,03856992,The Physics Education Society of Japan,2011,59,2,108-111,https://cir.nii.ac.jp/crid/1390282679493243392,https://doi.org/10.20653/pesj.59.2_108